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Finding the Fourth Proportional to 577,147.68, 796,448.52 and 322,500.96

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Solution

The fourth proportional to 577,147.68, 796,448.52 and 322,500.96 is: 445,042.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,147.68 : 796,448.52 = 322,500.96 : x
  2. Step 2: Convert to fraction form
    577,147.68/796,448.52 = 322,500.96/x
  3. Step 3: Cross multiply
    577,147.68x = 796,448.52 × 322,500.96
  4. Step 4: Simplify right side
    577,147.68x = 256,855,412,290.58
  5. Step 5: Solve for x
    x = 256,855,412,290.58/577,147.68
  6. Step 6: Final answer
    x = 445,042.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.